Mitsubishi Electric PURY-HP72 Service Handbook

Mitsubishi Electric
Air Conditioner
📖  Manuals supported for 19 models of Mitsubishi Electric
  • PURY-HP192T
  • PURY-HP96T
  • PURY-HP144
  • PURY-HP72TKMU-A
  • PURY-HP72TKMU-A-H
  • PURY-HP72YKMU-A
  • PURY-HP72YKMU-A-H
  • PURY-HP96TKMU-A
  • PURY-HP96TKMU-A-H
  • PURY-HP96YKMU-A
  • PURY-HP96YKMU-A-H
  • PURY-HP144TSKMU-A
  • PURY-HP144TSKMU-A-H
  • PURY-HP144YSKMU-A
  • PURY-HP144YSKMU-A-H
  • PURY-HP192TSKMU-A
  • PURY-HP192TSKMU-A-H
  • PURY-HP192YSKMU-A
  • PURY-HP192YSKMU-A-H
Table of Contents
  • Safety precautions

    2
  • CONTENTS

    11
  • Preparation for Piping Work

    14
  • Tool Preparation

    15
  • Handling and Characteristics of Piping Materials, Refrigerant, and Refrigerant Oil

    16
  • Storage of Piping Materials

    18
  • Characteristics of the New and Conventional Refrigerants

    19
  • Refrigerant Oil

    20
  • Working with Refrigerant Piping

    21
  • Air Tightness Test

    22
  • Vacuum Drying

    23
  • Refrigerant Charging

    25
  • Precautions for Wiring

    26
  • Chapter 2 Restrictions

    28
  • System Configurations

    30
  • Types and Maximum Allowable Length of Cables

    31
  • Switch Settings

    32
  • M-NET Address Settings

    33
  • Outdoor unit power jumper connector connection

    35
  • Start/stop control of indoor units

    36
  • Demand Control Overview

    40
  • System Connection Example

    41
  • Example System with an MA Remote Controller

    43
  • Single refrigerant system with two or more lossnay units

    45
  • Grouped operation of units in separate refrigerant circuits

    47
  • System with multiple bc controllers

    53
  • Example System with an ME Remote Controller

    57
  • Example System with an MA and an ME Remote Controller

    59
  • Restrictions on Refrigerant Pipes

    62
  • Restrictions on refrigerant pipe size

    68
  • Bc controller connection method

    69
  • External Appearance and Refrigerant Circuit Components of Outdoor Unit

    76
  • Outdoor Unit Refrigerant Circuit Diagrams

    78
  • Functions of the Major Components of Outdoor Unit

    80
  • Functions of the Major Components of Indoor Unit

    83
  • External Appearance and Refrigerant Circuit Components of BC Controller

    84
  • BC Controller Refrigerant Circuit Diagrams

    87
  • Functions of the Major Components of BC Controller

    90
  • Chapter 4 Electrical Components and Wiring Diagrams

    96
  • Outdoor Unit Circuit Board Arrangement

    98
  • Transformer box

    100
  • Outdoor Unit Circuit Board Components

    101
  • M-net board (transmission power supply board)

    102
  • Inv board

    103
  • Fan board

    105
  • Noise filter

    107
  • Outdoor Unit Electrical Wiring Diagrams

    109
  • Transmission Booster Electrical Wiring Diagrams

    111
  • BC Controller Circuit Board Arrangement

    112
  • BC Controller Circuit Board Components

    113
  • Four-relay board

    114
  • BC Controller Electrical Wiring Diagrams

    115
  • Chapter 5 Control

    126
  • Dipswitch Functions and Factory Settings

    128
  • Indoor unit switch functions and factory settings

    132
  • Remote controller switch functions and factory settings

    133
  • Bc controller switch settings

    134
  • Outdoor Unit Control

    135
  • Refrigerant bypass control

    136
  • Frequency control

    137
  • Defrost operation control

    138
  • Refrigerant recovery control

    140
  • Oil recovery during compressor operation at low frequency

    141
  • Compressor discharge superheat control (expansion valve <lev)

    142
  • Emergency operation mode

    144
  • Unit control scheme

    146
  • Refrigerant circuits and refrigerant cycle diagrams

    147
  • Operation mode

    148
  • Demand control

    149
  • BC Controller Control

    150
  • Operation Flowcharts

    151
  • Actions performed in different modes

    154
  • Chapter 6 Test Run

    158
  • Read before Test Run

    160
  • MA and ME Remote Controller Functions and Specifications

    161
  • Making the Group and Interlock Settings from an ME Remote Controller

    162
  • Address search

    164
  • Address deletion

    165
  • Selecting Remote Controller Functions from an ME Remote Controller

    166
  • Making Interlock Settings from an MA Remote Controller

    168
  • Changing the Room Temperature Detection Position

    170
  • Test Run Method

    171
  • Operation Characteristics and Refrigerant Charge

    172
  • The amount of refrigerant to be added

    173
  • Refrigerant charge adjustment mode

    175
  • The Following Symptoms Are Normal

    177
  • Standard Operation Data (Reference Data)

    178
  • Dual unit combination (standard)

    179
  • Chapter 7 Troubleshooting Using Error Codes

    182
  • Error Code and Preliminary Error Code Lists

    186
  • Error Code Definitions and Solutions: Codes [0 - 999]

    190
  • Error Code Definitions and Solutions: Codes [1000 - 1999]

    191
  • Error code [1302] (during operation)

    193
  • Error code [1302] (at startup)

    194
  • Error Code Definitions and Solutions: Codes [2000 - 2999]

    195
  • Error code [2500] (models with a float switch)

    196
  • Error code [2502] (models with a drain sensor)

    197
  • Error code [2502] (models with a float switch)

    198
  • Error Code Definitions and Solutions: Codes [3000 - 3999]

    202
  • Error Code Definitions and Solutions: Codes [4000 - 4999]

    203
  • Error code [4102] (ykmu)

    204
  • Error code [4115] (tkmu)

    206
  • Error codes [4220, 4225] detail code 108 (tkmu)

    208
  • Error codes [4220, 4225] detail code 108 (ykmu)

    209
  • Error codes [4220, 4225] detail code 109 (tkmu)

    210
  • Error codes [4220, 4225] detail code 110 (tkmu)

    211
  • Error codes [4220, 4225] detail code 111 (ykmu)

    212
  • Error code [4230] (tkmu)

    213
  • Error code [4240] (tkmu)

    214
  • Error codes [4250, 4255] detail code 101 (tkmu)

    215
  • Error codes [4250, 4255] detail code 101 (ykmu)

    216
  • Error code [4250] detail codes 103, 106, and 107 (tkmu)

    217
  • Error codes [4250, 4255] detail code

    218
  • Error code [4260] (tkmu)

    220
  • Error Code Definitions and Solutions: Codes [5000 - 5999]

    221
  • Error code [5110] (tkmu)

    223
  • Error code [5301] detail code 115 (tkmu)

    226
  • Error code [5301] detail code 116 (tkmu)

    227
  • Error code [5301] detail code 118 (tkmu)

    228
  • Error code [5301] detail code 119 (ykmu)

    229
  • Error code [5301] detail code 120 (ykmu)

    230
  • Error Code Definitions and Solutions: Codes [6000 - 6999]

    234
  • Error code [6607] error source address = outdoor unit (oc)

    238
  • Error code [6607] error source address = indoor unit (ic)

    239
  • Error code [6607] error source address = lossnay (lc)

    240
  • Error code [6607] error source address = me remote controller

    241
  • Error code [6607] error source address = system controller

    242
  • Error code [6607] all error source addresses

    243
  • Error code [6607] no error source address

    244
  • Error Code Definitions and Solutions: Codes [7000 - 7999]

    250
  • Chapter 8 Troubleshooting Based on Observed Symptoms

    260
  • MA Remote Controller Problems

    262
  • Air conditioning units do not operate when the on button is pressed

    265
  • ME remote Controller Problems

    266
  • Refrigerant Control Problems

    270
  • Units in the heating mode do not operate at expected capacity

    272
  • Outdoor units stop at irregular times

    274
  • Checking Transmission Waveform and for Electrical Noise Interference

    275
  • Pressure Sensor Circuit Configuration and Troubleshooting Pressure Sensor Problems

    278
  • Comparing the low-pressure sensor measurement and gauge pressure

    279
  • Troubleshooting Solenoid Valve Problems

    280
  • Troubleshooting Outdoor Unit Fan Problems

    283
  • Troubleshooting LEV Problems

    284
  • Possible problems and solutions

    286
  • Coil removal instructions

    287
  • Troubleshooting Problems with Major Components on BC Controller

    288
  • Temperature sensor

    290
  • Troubleshooting flowchart for levs

    292
  • Troubleshooting flowchart for solenoid valves

    295
  • Bc controller transformer

    298
  • Troubleshooting Inverter Problems (TKMU)

    299
  • Troubleshooting problems with intelligent power module

    307
  • Troubleshooting problems with diode stack

    308
  • Troubleshooting Inverter Problems (YKMU)

    309
  • Troubleshooting problems with igbt module

    316
  • Control Circuit (TKMU)

    318
  • Control Circuit (YKMU)

    320
  • Measures for Refrigerant Leakage

    322
  • Compressor Replacement Instructions

    324
  • Solenoid Valve Block and Check Valve Replacement Instructions

    326
  • BC Controller Maintenance Instructions

    330
  • Troubleshooting Problems Using the LED Status Indicators on the Outdoor Unit

    333
  • LED Status Indicators

    336
  • Initial led display

    337
  • Clock memory function

    338
  • LED Status Indicators Table

    339

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